|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Trilobita - Corynexochida - Oryctocephalidae
It was reranked as Duotingia by Zhang and Zhou (1985) and Sepkoski (2002).
It was assigned to Hunanocephalus by Chow (1974); to Oryctocephalidae by Zhang and Zhou (1985); and to Corynexochida by Sepkoski (2002).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.